A Food and Drug Administration (FDA) draft guidance would require manufacturers of pulse oximeters to gather far more ...

Color gradient filament is fun stuff to play with. It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this ...

Michelle Singletary writes the nationally syndicated personal finance column “The Color of Money,” which appears in The Washington Post on Wednesdays and Sundays. If you have a personal ...

Are you wondering how many levels are there in Candy Crush? Chances are, it’s more than you assume. Whether you’re grinding away on your lunch break or settling down to reach the top in your spare ...

You can also learn something about the news. There are reading texts at different levels. You can choose the reading speed of each text. If one speed is too fast, choose a slower speed. If one speed ...